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Match linebreaks - \n or \r\n?
...ex seems to have identified which line ending style you used first, and it converts all additional line endings entered to that style.
I used Notepad++ to paste sample text in Unix and Windows format into Debuggex, and whichever I pasted first is what that session of Debuggex stuck with.
So, you s...
List comprehension on a nested list?
...
Here is how to convert nested for loop to nested list comprehension:
Here is how nested list comprehension works:
l a b c d e f
↓ ↓ ↓ ↓ ↓ ↓ ↓
In [1]: l = [ [ [ [ [ [ 1 ] ] ] ] ] ]
In [2]: for a in l...
How can I “pretty print” a Duration in Java?
...n be created directly, without first creating a Duration instance and then converting it to Period. E.g. Period period = new Period(millis); String formatted = formatter.print(period);
– Basil Vandegriend
Aug 12 '13 at 23:15
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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
...readers of this answer will want. For a heatmap, though, you would need to convert this to a true matrix.
library(tidyr)
pivot_wider(tmp, names_from = y, values_from = z)
## # A tibble: 2 x 4
## x a b c
## <fct> <dbl> <dbl> <dbl>
## 1 x 1 2 3
##...
Create list of single item repeated N times
...t that can be used to create a list if you wish! Let's try that again, but converting to a list:
>>> timeit.timeit('list(itertools.repeat(0, 10))', 'import itertools', number = 1000000)
1.7508119747063233
So if you want a list, use [e] * n. If you want to generate the elements lazily, us...
Daylight saving time and time zone best practices [closed]
...ost.
When storing whole dates, such as birthdays and anniversaries, do not convert to UTC or any other time zone.
When possible, store in a date-only data type that does not include a time of day.
If such a type is not available, be sure to always ignore the time-of-day when interpreting the value...
Get DateTime.Now with milliseconds precision
...aylight saving transitions, etc.
If your question is actually just around converting a DateTime to a string with millisecond precision, I'd suggest using:
string timestamp = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.fff",
CultureInfo.InvariantCulture...
Loop through a date range with JavaScript
...te without the new constructor just gives you a Date string which you then convert to a Date object anyway?
– tatlar
Sep 10 '14 at 17:52
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How to change default timezone for Active Record in Rails?
...t config.active_record.default_timezone can take only two values
:local (converts to the timezone defined in config.time_zone)
:utc (converts to UTC)
Here's how you can find all available timezones
rake time:zones:all
...
jquery save json data object in cookie
...
After that you can save any object in cookie, which will be automatically converted to JSON and back from JSON when reading cookie.
var user = { name: "name", age: 25 }
$.cookie('user', user);
...
var currentUser = $.cookie('user');
alert('User name is ' + currentUser.name);
But JSON library do...